Electrolyte for secondary non-aqueous cells

Details Electrolyte for secondary non-aqueous cells Electrolyte for secondary non-aqueous cells

1988-01-21

1989-08-01

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

252 622, H01M 614

Patent

active

048533041

ABSTRACT:
An improved non-aqueous electrolyte solution for lithium cells is disclosed which utilizes an organic ester of methyl formate together with lithium salt and an amount of CO.sub.2 in the electrolyte solution. The active lithium anode may also be pretreated with CO.sub.2.

REFERENCES:
patent: 3544385 (1970-12-01), Newman
patent: 3976509 (1976-08-01), Tsai et al.
patent: 4085256 (1978-04-01), Dey
patent: 4219392 (1980-08-01), Haumann
Chemical Abstract, vol. 102, No. 35351, 1985.
V. R. Koch et al., "The Stability of the Secondary Lithium Electrode in Tetrahydrofuran-Based Electrolytes", Electrochemical Science and Technology, Sep. 1978, pp. 1371-1377, vol. 125, No. 9.
S. B. Brummer et al., "The Recharging of the Lithium Electrode in Organic Electrolytes", Materials for Advanced Batteries, pp. 123-143.

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